[Event "It (open)"] [Site "masterchessopen.com Polanica Zdroj (Poland)"] [Round "1"] [White "Dobrowolski Aleksander (POL)"] [Black "Mazurkiewicz Michal (POL)"] [Result "1-0"] [WhiteElo "2254"] [BlackElo "2212"] [ECO "B90"] [Opening "Sicilian: Najdorf"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be6 8.O-O Be7 9.f4 exf4 10.Bxf4 Nc6 11.Kh1 O-O 12.Qe1 b5 13.a3 Ne5 14.Rd1 Qc7 15.Qg3 Ne8 16.Nd4 Nc4 17.Bxc4 Qxc4 18.Nf5 Bxf5 19.exf5 Bf6 20.Nd5 Qxc2 {#r} 1-0